Specifications include, but are not limited to: The objective of this RFP is to solicit applications for intellectual and developmental disabilities, mental health, substance use, and/or co-occurring services, which use an integrated System of Care approach and embrace key features such as: 1. Practice models supporting trauma-informed care with a strong focus on establishing, maintaining, strengthening and supporting connections with the family and community, including significant engagement of preventive services, natural supports, community recreational activities, etc. 2. Evidence-based and innovative clinical practices that are responsive to the individual child and family’s complex social, emotional, and psychological needs; 3. Treatment services and family intervention designed to develop and sustain positive behavioral change and self-regulation skills 4. Natural supports and community resources that support the unique needs of the individuals and families served are identified and coordinated; 5. Services meet the needs and schedules of families, and are/or available in evenings, weekends, and/or holidays, and are primarily focused on non-school hours; and 6. The capacity to ‘right-size’ the range and scope of services to meet prevailing and future demographic and treatment trends. DPBHS seeks to procure full service continuum of services for children ages 0 to 18 with mental health, substance use, or co-occurring (mental health and substance use) disorders and behavioral symptoms. DPBHS is interested in RFP responses that propose innovative approaches to enhance treatment options in its service continuum. Services should be individualized and flexible in order to meet the unique treatment needs of the child, youth and their family consistent with the priorities for mental health and/or substance abuse treatment.